Question

support for the bolsheviks grew during 1917 because the provisional government did not
force tsar nicholas ii to step down.
continue the fight with germany.
institute land reforms.
become democratic.

Explanation:

The provisional government in Russia after the February Revolution of 1917 failed to address the land - related issues of the peasants. The peasants wanted land reforms (such as getting land from the aristocracy and large landowners). The Bolsheviks, on the other hand, had a more appealing stance on land distribution. Tsar Nicholas II had already abdicated before the provisional government was established. The provisional government actually continued the war with Germany (which was unpopular, but this is not the option here). The provisional government was a democratic - leaning entity in form (though with many flaws in practice).

Answer:

institute land reforms.